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// Portions Copyright [2016-2021] [Payara Foundation and/or its affiliates]

package org.glassfish.internal.data;


import org.jvnet.hk2.annotations.Service;
import jakarta.inject.Singleton;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import org.glassfish.internal.deployment.Deployment;

/**
 * Registry for deployed Applications
 *
 * TODO : dochez
 * this class needs to go, I think we should use the configured tree (applications)
 * to store this list. This could be achieve once hk2 configured support Transient
 * objects attachment.
 */
@Service
@Singleton
public class ApplicationRegistry {

    private final Map<String, ApplicationInfo> apps = new LinkedHashMap<>();
    private final Map<String, Deployment.ApplicationDeployment> transientDeployments = new HashMap<>();

    public synchronized void add(String name, ApplicationInfo info) {
        apps.put(name, info);
    }

    public ApplicationInfo get(String name) {
        return apps.get(name);
    }

    public synchronized void remove(String name) {
        apps.remove(name);
    }

    public Set<String> getAllApplicationNames() {
        return apps.keySet();
    }

    /**
     * transient apps are deployed, but not initialized yet
     *
     * @param depl
     */
    public void addTransient(Deployment.ApplicationDeployment depl) {
        if(depl != null && depl.appInfo != null) {
            transientDeployments.put(depl.appInfo.getName(), depl);
        }
    }

    public void removeTransient(String appName) {
        transientDeployments.remove(appName);
    }

    public Deployment.ApplicationDeployment getTransient(String appName) {
        return transientDeployments.get(appName);
    }
}
